Home / 3,447.36-5,170.95-1,107.53

Finding the Fourth Proportional to 3,447.36, 5,170.95 and 1,107.53

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Solution

The fourth proportional to 3,447.36, 5,170.95 and 1,107.53 is: 1,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.36 : 5,170.95 = 1,107.53 : x
  2. Step 2: Convert to fraction form
    3,447.36/5,170.95 = 1,107.53/x
  3. Step 3: Cross multiply
    3,447.36x = 5,170.95 × 1,107.53
  4. Step 4: Simplify right side
    3,447.36x = 5,726,956.40
  5. Step 5: Solve for x
    x = 5,726,956.40/3,447.36
  6. Step 6: Final answer
    x = 1,661.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.